Tcl India — TV 43" not power on,and black screen.

I had purchased TCL android tv 43" with 3 years warrenty, but from last week on words i am facing problem, The TV 43" not power on, and Power light not displayed, got black screen.
i had raised complaint and i informed to TV Shop where i brought it.

Present i am facing problem With no response from TCL, Customer care number always not avilable always busey.